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If you scored the one you pictured, a starry night pleco, for less than $25 you did really well. Most likely if you paid a lot less you would have one of the many variations of a common brown dwarf bristlenose.

remember that different pleco varieties need a stable diet of wood as well. Its one of the few fish that use wood as a source of food. Roughage from other greens are ok but make sure there is an option for the fish. Chola wood is a good type for pleco's.

The bristles appear as prev stated, between 6 and 9mo.

No it doesn't, that's a popular misconception. Wild bristlenose eat little to no wood as proven by gut analysis.

I hope so he does have white edging on the fins and white spots but like you said there's a lot of diff. looking normal BN as well. Long term if it ends up a normal BN female I may have something like a starry night ordered for me and take him back to my LFS but for now it is content in my 29g and is doing a good job on all my green algae.

He still won't take any prepared foods I tried a few veggies and he ignores them; also like I mentioned the algae wafers get eaten by my corys b4 he could touch em if he even would try. I'm worried he isn't getting enough food but I can tell where he has eaten algae off the driftwood but he really needs to start eating prepared foods I just don't know how to get him to.

Maybe I shouldn't of gotten such a small one that only ate squash at the store?